Features Simple, Easy and Quick Installation – No excavation or special manholes required. Economical – Costs a fraction of expensive, complicated and difficult-to-install valves. Furnished Complete – Supplied with new upper and lower drop tubes, mounting hardware and thorough instructions for quick job site time. Completely Automatic Operation – No pre-checks to perform, no resets, and no overrides to be broken or abused. No Pressurization of the Tank – Operates directly from liquid level. Will